Cephalopoda Cuvier, 1797
Aristoceras Ruzhencev, 1940
Aristoceratoides
Eothalassoceras Miller & Furnish, 1940
Epithalassoceras Miller & Furnish, 1940
Gleboceras
Mapesites Work & Boardman, 2003
Prothalassoceras Böse, 1917
Thalassoceras Gemmellaro, 1888
